Finding the Fourth Proportional to 37,904.42, 52,305.78 and 21,772.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,904.42 : 52,305.78 = 21,772.52 : x
2. Step 2: Convert to fraction form
   37,904.42/52,305.78 = 21,772.52/x
3. Step 3: Cross multiply
   37,904.42x = 52,305.78 × 21,772.52
4. Step 4: Simplify right side
   37,904.42x = 1,138,828,641.17
5. Step 5: Solve for x
   x = 1,138,828,641.17/37,904.42
6. Step 6: Final answer
   x = 30,044.75